Xeon w5-2545 vs Core 2 Duo E4400
Aggregate performance score
Xeon w5-2545 outperforms Core 2 Duo E4400 by a whopping 5731% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Duo E4400 and Xeon w5-2545 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2944 | 188 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 83.24 |
| Market segment | Desktop processor | Server |
| Power efficiency | 0.66 | 11.83 |
| Architecture codename | Allendale (2006−2009) | Sapphire Rapids (2023−2024) |
| Release date | July 2007 (17 years ago) | 24 August 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $889 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core 2 Duo E4400 and Xeon w5-2545 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 2 (Dual-core) | 12 (Dodeca-Core) |
| Threads | 2 | 24 |
| Base clock speed | 2 GHz | 3.5 GHz |
| Boost clock speed | 2 GHz | 4.7 GHz |
| Bus rate | 800 MHz | no data |
| L1 cache | 64 KB | 80 KB (per core) |
| L2 cache | 2 MB | 2 MB (per core) |
| L3 cache | 0 KB | 30 MB |
| Chip lithography | 65 nm | Intel 7 nm |
| Die size | 111 mm2 | no data |
| Maximum core temperature | L2=61 °C, M0=73 °C | no data |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 167 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| VID voltage range | 0.85V-1.5V | no data |
Compatibility
Information on Core 2 Duo E4400 and Xeon w5-2545 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | LGA775 | FCLGA4677 |
| Power consumption (TDP) | 65 Watt | 210 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo E4400 and Xeon w5-2545. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| TSX | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Demand Based Switching | - | no data |
| Turbo Boost Max 3.0 | no data | + |
| FSB parity | - | no data |
| Deep Learning Boost | - | + |
Security technologies
Core 2 Duo E4400 and Xeon w5-2545 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| SGX | no data | - |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo E4400 and Xeon w5-2545 are enumerated here.
| VT-d | no data | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E4400 and Xeon w5-2545. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR5-4800 |
| Maximum memory size | no data | 2 TB |
| Max memory channels | no data | 4 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo E4400 and Xeon w5-2545.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 64 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 0.45 | 26.24 |
| Physical cores | 2 | 12 |
| Threads | 2 | 24 |
| Power consumption (TDP) | 65 Watt | 210 Watt |
Core 2 Duo E4400 has 223.1% lower power consumption.
Xeon w5-2545, on the other hand, has a 5731.1% higher aggregate performance score, and 500% more physical cores and 1100% more threads.
The Xeon w5-2545 is our recommended choice as it beats the Core 2 Duo E4400 in performance tests.
Note that Core 2 Duo E4400 is a desktop processor while Xeon w5-2545 is a server/workstation one.
Should you still have questions on choice between Core 2 Duo E4400 and Xeon w5-2545, ask them in Comments section, and we shall answer.
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